1111141223412 has 192 divisors, whose sum is σ = 3126107416320. Its totient is φ = 303281971200.

The previous prime is 1111141223411. The next prime is 1111141223453. The reversal of 1111141223412 is 2143221411111.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111141223411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4955014 + ... + 5174402.

It is an arithmetic number, because the mean of its divisors is an integer number (16281809460).

Almost surely, 2^{1111141223412} is an apocalyptic number.

1111141223412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111141223412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563053708160).

1111141223412 is an abundant number, since it is smaller than the sum of its proper divisors (2014966192908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111141223412 is a wasteful number, since it uses less digits than its factorization.

1111141223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219522 (or 219520 counting only the distinct ones).

The product of its digits is 384, while the sum is 24.

Adding to 1111141223412 its reverse (2143221411111), we get a palindrome (3254362634523).

The spelling of 1111141223412 in words is "one trillion, one hundred eleven billion, one hundred forty-one million, two hundred twenty-three thousand, four hundred twelve".